#634CE4#634CE4

#634CE4 is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 53.3% C 0.219 H 283.0°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#634CE4
RGB	rgb(99, 76, 228)
HSL	hsl(249, 74%, 60%)
HSV	hsv(249, 67%, 89%)
CMYK	cmyk(56.6%, 66.7%, 0%, 10.6%)
CIE-LAB	lab(43.39, 49.73, -74.10)
CIE-LCH	lch(43.39, 89.24, 303.87°)
OKLab	oklab(53.33% 0.0491 -0.2132)
OKLCH	oklch(53.33% 0.219 283)
XYZ	xyz(21.7293, 13.4216, 74.8294)
Luminance	0.1342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634CE4 #CDE44C

analogous

#4C81E4 #634CE4 #AF4CE4

triadic

#634CE4 #E4634C #4CE463

tetradic

#634CE4 #E44C81 #CDE44C #4CE4AF

square

#634CE4 #E44C81 #CDE44C #4CE4AF

split-complementary

#634CE4 #E4AF4C #81E44C

monochromatic

#2C189E #3B20D3 #634CE4 #9181EC #C0B6F4

Accessibility & contrast

On white

5.70

#634CE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#634CE4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634CE4

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634CE4	#FFFFFF	#000000	##FFFFFF
##634CE4	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE9

Deuteranopia (green-blind)

#0061E1

Tritanopia (blue-blind)

#1D7392

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #634ce4;
/* rgb */ color: rgb(99, 76, 228);
/* oklch */ color: oklch(53.3% 0.219 283.0);

Tailwind

colors: {
  custom: {
    50: '#9c80ee',
    500: '#634ce4',
    950: '#000000',
  },
}

SCSS

$custom: #634ce4;
$custom-light: #9c80ee;
$custom-dark: #000000;

JSON

{
  "hex": "#634ce4",
  "rgb": {
    "r": 99,
    "g": 76,
    "b": 228
  },
  "hsl": {
    "h": 249.079,
    "s": 73.786,
    "l": 59.608
  },
  "oklch": {
    "l": 0.53327,
    "c": 0.21877,
    "h": 283
  },
  "luminance": 0.13423
}

Semantic roles & 50–950 ramp

primary

#634CE4

secondary

#DAE3A8

accent

#F037D4

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #634CE4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →